mbm
mom behind me. Used in AIM to tell the perosn your mom or some one else is behind you and to keep converstion clean.
Bill: Lets smoke that weed on Saturday

Bob: MBM

Bill: wat you doin this weekend?
by Ryan March 11, 2005
MBM
Mass Bowel Movement, when 5 people or more gang up and go take a crap in the same toilet so as to plug it up
-What's that smell?
-The janitors had an MBM because they wanted higher pay
-oh
by Chantecleer February 20, 2008
mbm
Married Black Male, Married African-American Male. same as mwm but black. usually found in classifieds, etc
MBM looking for a MBW for a discrete hook-up.
by Chanticlear January 07, 2008
MBM
Mildy Bellied Male- A phrase coined by Patrick Roberge, it's the response to "BBW", where the man is not fat or significantly overweight, but does still have a belly.
"I'm not fat, I'm a MBM!"
by creativexangst August 10, 2012
MBM
Made By Man
That movie was so MBM.
by Shitgirlssay January 21, 2012
mexicans built my skool, the name of a skool
"omg mbms!!"
"i went to mbms"
by sammykinzandabster June 26, 2009
MBM
MitchBond moment: the complete misspelling or understanding of a given word's definition.
That car is susidle man!

This ontray to the meal is great!

Wow, you guys had real MBMs there!
by EV514 January 02, 2010

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